"Command a miptary" 或者 "lead an army" 都可以用来表示指挥军队的意思。这两个短语的来源都可以追溯到拉丁语。
"Command" 来自拉丁语的 "commandare"，意思是命令、指挥或管理。
"Lead" 来自拉丁语的 "ducere"，意思是带领、领导或引导。
下面是一些例句：
He was appointed to command the army in the war. (他被任命为这场战争中的军队指挥官。)
She has the experience and leadership skills necessary to command the miptary. (她有指挥军队所需的经验和领导能力。)
He led the army to victory in the battle. (他带领军队在战斗中获胜。)
She was chosen to lead the army because of her strategic mind and strong leadership abipties. (因为她有战略头脑和强大的领导能力，所以被选择去带领军队。)